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Re: [LUG] embedded processing
James Ogden wrote:
Hi,
I'm new to the DClug and was wondering if anyone on the list is doing
any interesting embedded Linux work? Personally, I'm considering
developing an FPGA based development board for embedding the or1k
http://www.opencores.org processor and some peripherals. As physical
hardware is a little difficult to work with from afar (unlike the rather
wonderful or1k simulator), I would be interested to hear from anyone in
the vicinity who wants to / is doing similar things so that we can
possibly get together.
James.
I've thought quite a lot about an embedded Linux project but haven't
really found any time to actually design anything.
I've thought about an embedded Linux project based on a Samsung CPU. The
advantage of the Samsung S3C4510B is that it has on-chip ethernet and
ARM core.
If you want a board with some Flash, RAM and ARM CPU you'll find one in
a Samsung ML4500 laser printer, but it doesn't have ethernet.
An FPGA based design would give you the advantage that many specialised
interfaces could be developed without significant chip count.
The one thing that deters me from FPGA design is that there is no GPLed
Place and Route or bitstream generation software for the modern FPGAs.
Most of the tools from the Xilinx WebPack ISE work under wine though.
One the hardware side, I was concerned that I would not be able to
solder close pitch SMDs. I tried soldering an SSOP28 package to a home
made PCB and was suprised by the result. SM rework flux proved really
useful.
Regards
Andrew Rogers
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